Topic selection is a conception of a book (or work) to be published by a publishing house (or periodical agency), which generally consists of the title, author, translator, content conception, audience and number of words. It is the basis of editing work. In China, the topic selection embodies the publishing policy of the party and the government, directly implements the publishing strategy and tasks of the publishing house, and plays an important role in editing and publishing. China Forest Ecological Network System Project Series (China Forestry Publishing House, 2003-20 13) is a national key book publishing planning project in the Twelfth Five-Year Plan, which embodies the national strategy and national will of ecological civilization construction.